Printing-press.



WITNESSES:

Patented Apr. 14, 1914.

5 SHEETSQBHEET 1.

, 4 INVENTOR.

3 Naif/Zia; M16. 9% BY M. M. KANDLB.

PRINTING PRESS.

APPLIOATION FILED JULY 5, 191a.

Patented Apr. 14, 1914. a SHEETS-SHEET 2.

I .J' 25%1816 1i III H II II II II |l,|l ll [HR MN m u n $7 S INVENTOR.

' 103 ATRNFEQ WITNESSES M. KANDLE.

PRINTING PRESS. APLmA'rIoN FILED JULY 5, 191a."

Patnted Apr. 14, 191-4.

mwur W a SHEETS-SHEET s.

' INVENTOR WITNESSES:

ATTORIKVIEY.

M. M. KANDLB.

V PRINTING PRESS.

APPLICATION FILED JULY-5, 1913.

Patenfid Apr. 14, 1914.

5 SHBLTS-SHBET 4.

INVENTOR. vakzmmzmzg A TTCRNE Y.

M. M. KANDLE.

IRINTING PRESS.

APPLICATION FILED mus, 191s.

Patented Apr. 14, 1914.

6 SHEETS-S LES 5.

Emmi

INVENTOR.

Mamas ZZKazzdZe.

WITNESSES: M. 9% @KW' BY j ATTORNEY.

adjustably secured thereto at their ends the brackets 15. Rotatablymounted in one of the brackets 15 is a friction roller 16 which isnormally out of contact with the impression-cylinder 11 but is designedto engage the cylinder when a sheet of paper is inaccurately placed orfed to the machine and is to be ejected, as will be fully described. Theroller 16, when operated, drives a sprocketwheel 17 over which passes achain 18 to a second sprocket-wheel 19 that is secured to a stub-shaft20 which is mounted for rotation in the bracket 15. Secured to the shaft20 is a gear 22 which meshes with the gear 23 on the shaft Qtthatcarries the rubber-faced sheebejecting wheels 25. These wheels, byreason of the connection just described, will rotate in a directionopposite to the direction of rotation of the press impression-cylinder11, as will be clear from the use of the gears 22 and Q3,the directionof rotation of the impression-cylinder being indicated by the arrow 26,and the direction of rotation of the sheet-ejector wheels beingindicated by. the arrows 27.

It was stated above that the wheel 16 is normally out of engagement withthe impression-cylinder 11, and it should be stated that the ejectorwheels 25 are also normally out of contact with the press feedboard 10,as

shown in Fig. 1 by the space 28. The structure which sustains the roller16 and the r0llers 25 in an inoperative position, is the liftrod 29 thatis attached at its lower end to a cam-operatedlever 30 that ispivotallysecured to a casing or bracket-member 31 which is secured toone of the uprights 12 by means of the foot-piece 32. The upper end ofthe liftrod 29 is vprovided with an angular-shaped arm 33, the uppersurface of which engages a bent arm 31S (see Fig. 2) that is attached toan elbow-shaped member which is secured tothe rod the arms of theelbow-shaped member are indicated at 36 and 37 The arm 36 is pivotallyconnected to a link 38 which, inturn is pivotally connected to aslidable rod 39 at the point 40. The rod 39 moves in a bracket 41 thatis part of the bracket 15 and engages the feed-board to elevate theejector wheels 25 out of contact with the sheet of paper when the sameis accurately positioned. The arm 37 engages a setscrew 42 by means ofwhich the pressure of the roller 16 on the impression-cylinder 11 may bevaried to cause it to rotate. The sheet-ejector wheels 25 areindependently adjusted by means of the mechanism shown in Figs.12 and13, in which shaft 24 that carries the wheels 25 is mounted for adjustment on the bracket 15 by means of the setscrew 25 that passes throughthe slot 25 in the plate 25 This plate turns ori pivots.

about the shaft 20, and bymeans of the set screw 25 the pressure of thesheet-ejecton indicate wheels 25 may be varied orthe feedboard 10.

clamped, by means of the screws 43, in

In the normal operation of the machine, the frame'brackets 15 which turnon the rod 13 at 13, are'raised and lowered by means of the cam-operatedlever 30 which is attached to the lift-rod 29' at 46 and is pivoted tothe'casing 31 at 47. "The cam=operated lever 30 is formed with ashoulder 48that engages the slidable stop 451 on the downaward movementof th'erod 29. When the shoulder 48 engages the stop 49, which isnormally projected into the. path of this shoulder, as shown in Fig. 7,the downward movement of the sheet-ejecting wheels 25 and the rollerQlGis" prevented Should this slidable stop 49ihowever; wheii'a sheet isinaccurately rfilace'd; be withdrawmas will beexplained, e wheels 16and25 will be opera ated from the press cylinder 11 and thes ejected orevented from entering thepress. The camever 30 is operated by means of aroller 50'whichen agesfithe ca'm5l" -that is securedto the shai I leavesthe. "concentric surface: 53, as shown in Fig. 5,-the shoulder 48engagesthe stop r52. t ro er 0v 49. If the stop 49 is retracted by meansof i the compressionspring 5/; when released by the electrofmagnets 55',should a sheet be inaccurately placed on the feed-board, leaving any oneof the sheet-engaging contacts closed, permitting'the electro-magnet '55to operate, the lift-rod passes by the stop 49 and the sheet-ejectingwheels '25 are operated as described. When thej'roller 50 rengages theconcentrid surface '53, the lift-rod is pushed upward and the arms 14elevated as described to permit the placing of a sheet on the feed-board10 beneath the sheet-ejecting.

\vheels25 and against the press-guides.

Coming now to the description of the mechanism by means of which'the rod49' is released and then reset in the position shown in Fig. 6 and themeans by which the same is retracted when a sheet is inaccurately fedand the sheet-ejecting mechanism operated. f

56 designates a main gear'or operating member which is driven from thepinion 57 which, in turn, is driven from the gear 58 that is operated bythe gear 12 motive pover being transmitted thereto by an suitable means.The gear 58 is mounted for adjustmnt" in the arms 59 which are pivotallysupported on the main shaft 52. One of the arms is rovided with anadjusting device d at (30 which is merely a slot and screw construction.

The g r 56 is' formed with a groove 61 v V Referring to Fig. 10, GTdesignat'esa bearelectromechanical and inthis groove is secured acurvedshaped ca1n62 and a second cam 63 of less length than the cam 62.but terminating in -.the same plane as the cam G2, as indicated stilt.(see Fi 10). The thickness of the cam 63 is greater than the cam (32.The purpose of the earns 62 111x163 is to set the latch in lockingposition, which consists of an electro-magnet havling-the latch 65 whichnormally retains the stop 49 projected shown in Fig. 7. This latch isprovided with a roller 66 which is normally retained elevated by asuitable spring (not shown). The latcli,ho\\'ever; is of commonconstruction.

g in which is mounted a rod (38. Attached to one end of this rod is acrank-arm (39- or finger which lies back of the lever .70 (sec Figs..8and 10'). The other end 68 is connected by means of a pin-and-sl0t,connectjon 71 and 72- with amember 73 which is formed wlth an arm 7 aand a roller V 1 75 pivoted thereon. as shhwn in these figures. l

the wall of the The rod 168 has a hearing in to the rod (38 casing at76; Alsoattached IS an arm 7'2: which has a slo-t-and-pin 0011-. nection78 with the transversely-located stop 49 whereby this stop may be' novedto extend the same, as shown in Fig. 7. It will be seen that the rod 68and arms Gil-and 7 7 may be rocked when the roller 75 engages thecams 62and G3 in the groove 61 when the 63. Normally, the

l the roller 75 without engaging the same, as shown in Fig. 11 at 75' Iverselyglocated stop 49, 'tainedfin an extended pOSltl n by n1eans'.of

the wheel to yield M center of the wheel 56 as the wheel 75 moves wheel56 is rotated in the direction of the arrow shown at? 9. The spring 80permits and more toward the along the inncr'curved surface :2 of the cam62. Integral with the a1" 77 is an arni 81 form'ed-With a lug 81 whichis adapted to engage the roller-Gdof the electro-mechanical latch afterbeingset or. extended bymeans of the roller 75 and camsfifz and cam 62passes idly by in the dotted posi- 65 is attracted and the circuit beingtion, but when the latch the stop 49 released by closed through themagnet 55, if a sheet of' paper is inaccurately placed, the-roller 75will then be forced to the bottom of the means-of the spring 54, and 56rotates, theinn'er curved ofthecam 62 will engage the pressureof' thespring 80 td'yeset the trans- Qhis then rehelatfc'h 65. Thelift ro'd29,will then be reyented from falling and a sheet of paper Jeanbe-inserted-below the roller 16 and the ejector wheels j25preventedffrom operating. The-roller;'75 resets the latch and stop 49"{ten it meg-enga d the. biottom of the d of the rod groove 61 andismoved by the cams 62 and 63 to reset the latch as described.

Secured to the side of the main gear-wheel 56' another cam construction82, shown in Side elevation in Fig. 10. This cam is formed wit-hacut-out portion 83 and an in r-lined surface 84: with which a roller 85on the lever engages. formed with a. second cut-away portion 86 having abeveled surface 87. When tho roller 85 engages the inclined surface 84:,the leverTO, which is pivoted at the point 88 is moved transverse to theface of the wheel 56 against the tension of the spring 89. The pin 88 isconnected to the arms 9" Of the lever 91. which latter pivotis pivotedto the sides 9:? and 93 of the frame at 9i. The lever 91 extendsforwardas shown in Fig. '5 and to the outer end is attached the link 95that is connected to the usual device, which operate the press cylindertrip so that the type will not engage the same when there is no sheet onthe press cylinder. The arm G9,.when rocked by the roller in setting thelatch and locking the stop rod d9, simultaneously operates the lever 'ZOto hold it out of operative position with the cam 82.

The cut-out portion 86 of the cam 82 with its inclined surface 87 -isfor the purpose of permittingthe roller to drop into portion 86 withouta jar to the ciit-a'way the mechanism. The purpose of the inclinedsurface Set is to force the lever 70 outward away from the operativeedge of the cam 82 to render the link 'lfhe next step in the operationof the mechanism is to follow up the movement of the lever 70 by meansof the finger 69 which will force (by an additional distance outwardaway from the iace of-the cam 82, and prevent the roller from engagingthe operative, edge .of the cam When the electromechanical lock holdsthe stop 49 extended, as shown in F ig. 7 the roller 7 5 is away fromthe bottom of the groove Gland during the normal operation of the wheel56 the roller 75 passes idly over the upper surface of the lower cam 62,but when the latch is tripped or withdrawn by the circuit being' closedthe roller engages the bottom of the groove 61 and is then forced inwfndby means ofithe cam 62 and brought into engagement with the cam surface63, the outer face of which higher than the outer surface of the cam 62,to reset the latch and stop 49. The electro-mechanical latch is securedto' the frame by means of "the hracket-arm :96 by means of. the" screws'97. I A

"The cam51' which causes the lift-rod 29 to operate is provided. with anadjustable contact device 98 secured in place by means of theslot-boltconnection 99. This contact evice engages inoperative.

means of the roller 75). this lever This cam is also a fixed contactdevice IOO-to closed and the same energized, which will nets 55 whichextends to the sheet-contact the contacts at 111" are opened, there willbe which the wires 101 and 102 are attached, wire 102 being connected toone terminal of the electro-mag'nets 55, a wire 103 being connected tothe other terminal of the magdevices 104, 105 and 106 which areconnected in parallel with the wires 101 and 103. A detail view of thesheet-engaging contact is shown in Fig. 3, wherein the contact-carr'yinplate is shown at 107, a blocl: of insulation at 108, to which issecured a contact wire 109, a pivoted fin er 110 which engages the wire109 at 111. K spring 112 WhlCh is attached to the finger 110 normallycloses the contact 111. The source of electrical energy is supposed tobe connected at the point 118. The finger 110 is located in a slot oropening 110 in the plate that is secured to the press-feed table and, asshown, extends down below the surface of the table to prevent the papergaining access below the finger when the sheet is placed on the table10. The operation of the sheet-engagingmechanism shown in Fig. 31 is asfollows: When a sheet of paper is placed on the press table 10 with twoof its 'ed es engaging each of the pivoted contact gers 110 and plates107 each finger is moved on its pivot against the tension of the spring112 to open the circuit to the magnet 55 at the contact point 111 (seeFig. 3). If the sheet is accurately positioned for printing onthepress-hoard 10 it is drawn into the press by means of the usual papergripping fingers (not shown). Simultaneously with the op eration of thegripping fingers to draw the sheet into the press the rod 13'is rockedby the usual prcss mechanism to elevate the contact plates 10? to allowthe sheet thereunder by the contact supportin arms which are secured tothe rocking shat t 13.

The 0 eration of the mechanism is as follows: W en a sheet to be printedis placed on the press feed board 10 against the contact fin ers110 ofthe contact devices 104, 105, an 5106 and the stop-plate 107, if thesheet isaccuretely positioned so that all of no current through themagnet 55. Should, however, one of the contacts at 111 be left closed,the circuit to the magnet 55 will be cause the armature 55' of the latchto be attracted, with the result that the stop 49 will be withdrawn,permitting the lift-rod 29 to pass by the stop 49 and allowing theroller 16 to engage the press cylinder 11 and the sheet-ejecting wheelsto engage the in accurately fed sheet of paper and eject the same. \Vhenthis operation takes place, the

are attached to an oscillating roller 75 is permitted to move inward andcngr the bottom of the groove 01 to reset the Larch mechanism, asdescribed. This] face 62 ofthe cam 62 and pushesthe arm 81, back intothe lockedposition shown in Fig. 7. At the same time the stop 49 isprojected outward and the finger 09 follows up the movement of the leveron its pivot 88 to move the roller '85 out of the path of the cam 82.When the machine tripped to eject a sheet, the roller 85 engages the cam82 to operate the levers 70 and link 95 to automatically throw the presscylinder away from the type-form to prevent its receiving an impressionthereon in the usual mannerl" If the sheet is accurately fedto presentinvention.

From the description it will be seen that I have produced aninaccurately-ted sheetdetecting device that can, by reason of itscompact structure of lever mechanism, be placed or attached to machinesnow in use, which have the uprights 12 and gear 12 The term type hasreference to a print ing form that is either fiat or circular in form.

The feed-board at its forward edge is sup plied with a flexible orelastic t ngue 110 shown in Figs. 1 and 3. The opening 110 in theflexible tongue receives the contact fin er 110, as shown in thesefigures.

t should be stated that the guide contact devices and 106 against whichihc'shcct of paper is placed to accurately position the same are securedto, and form a par-t ot the usual printing press construction. "lhcsecontact devices are automatically raised and lowered by the pressmechanism at the proper time to allow the sheet of paper to be ted tothe press cylinder after it is accurately positioned. in practice 3 thecontact guides 105 and 106 are mounted on arms that rod which isparallel with the rod 13, and, as stated these guides are raised andlowered by the usual press mechanism. i

1. In an inaccurateiy-reu sheet-detecting device for printing presses,the combination with the press impression-cylinder, or s p devicesagainst which the sheetis plate :1, at

position the same, an electrical contact on each stop device operated bythe sheet. a car cnit. ..connccting the contacts, shecta'cjiectingdevices, an electromechanical latch included in. the circuit to maintainthe rejecting devices inoperative when the sheet is'accu ratcly located,a main or master-gear wheel,

roller follows along the inner curvcd surl a contact operated thereby toperiodicallv 4' epeii'aiteii by 3166211115? in the we latch device, aiid;

by Hie latch 50 ms to eperaiie.

imceui'iite -iei sheet-ticketing I me 11,.,.m for printing combineiwn,with the press'feed rod,

roller adapted mene .gi'ese cylinder but normally out of geinenttherewith, meanto permit the roller #10 ei1g2ge11uei cylinder, a shaft,sheet n mete; reiiem *thei'een, eoimectieng between ifihe drive RUiiJi.and Hie Met-mentioned milmpemie the ejector rollers, means iniiiiem; iiithe drive i'eiier to vary the e e. ejestoi" rollers 0n the'prese 1iiieziiie, Le render theejectm' 0 ii-eaiuwe a Sheeii when iniikionedwii'h'reliiien t0 the i.

v '1, M1 1 coiiibinii'iim with the, pres-e sheetpositanning guidesilifeedboancl, of inst which the as if .the elieei; engage to positionthe m, mt-a immemis normally oizt Of gen "rwith said board t6. permitthe 13012133. M whee i e eheeii H serteiimnd positioned, a lift-rod, thesizeefi ewuld my {in guide-iii:- :a sliding step .ite zielmaliy suppnrtthe se vice; 1min closed (hm: Fi ming egeetnir means, means adapted tobe conihe' shock, an electio ti eiieii b3" the sheet fie re ease thelift-rod ii' epeifaiiiw iizsiiimi when :1 tziii i.e,'memis to Withdrawthe Hop-device to cylinder?) 2: 1

machine the class ciesribed, the

a, frame pivetaliy atiii; the ejeemr-ineane t0 Operate, Q. i to resetthe lift-rail. to render the t I LT means inoperative. aniiiaceumteiy-fed sheet-detecting FOCLWE em .ism, ii e combination withthe pres s ion-cylinder, of guide-devices to p0- he sheet, imiiernormally out of ii'l impreesieiimyiindei, sheet- .1 pei-niii a i.JiiQ-R'S cieeigned in engage the sheet reject the same if inaccuratelylocated ii-i'ic with rela i. 1-11 he the guid'edevices and oper- 11eei'iiier, the able free: the: first-nientiened I'Oiiel, coneomiiiim mpi) en a neeiiiig means to reverse the direction of P0- e devir: s 011-{Minn of the ejecting rollers with relation to iii-evemeii'c vi theiiiipressieii- I wing-roller, means to iipeirzi le upon. the placingLei; Li Shflt il an inaccurate position, and i .1 to i ieve the eoliersm an inoperative 5G v pnsiiion, 21$ deeewibed.

31 ii's. mil-- ."ii ejector iiieeimnism for printing iwhi is inn my Iress 1, prising a cam, alevei" operable mm}, and mm to npeijrntethe itherefrom. lift-red epei'abie from the lei'viien ieei: is iimcuii- V672,an i giiiareheped bracket secured to i'iitei-y pixie; 1 -b0iii'ii.HIQUPEJQK' end of the lift-rmL'si shee'flejector v 5. The iroinbinaiimi,zm-wheei if'mi'neii J device,-mmirm to support the sheet-ejectoi with n.g 'em'e therein, came in the grndve, i flevice and 0pe1':ibie from the imckei, a's'tope, cam Hiiihlilflji to the "Will i, a, press iinpres-"eviee, said; sheei-egect-er dei ice being n o rsiiiiii qviinderimiciepemi ei'imiectinns'beimiily sustained in an inoperative )OfjliiiOl] 6Qii'ii'eeii the min ilfflii Fflid eyiiiiii by'ifihe step-device with reiztion to the feedsheet of mi; 21' inaeemrniuiy fed, a iHtCii' permit: theejeeier rollers to operate, and devise, gait mm to' meiiriou U10 paper.means to iresei file stop-device to render the sheqzejee 02* OPQZHbiQfrom i119 press I; ejecor device inoperative, as described,

permit the 10. A reset mechanism for printing height than the other toefiect the final re- 10 presses, comprising, in combination, means 1setting of the latch and whereby the latchto eject a sheet of-paper, amain-wheel havreset means is normally inoperative if the in? a govetherein, two cant? i1}; thehgroove, i sheet is accnrately placed, asdescribed. 5 a atc evic'e means 0 era e t e cams w to reset the latchafter t he'opefz t ion of the E MATTHIAS MILLER KANDLE' sheet ejectingmeans, the cams being nor- Witnesses: mally inactive after thelatch-device has; HARRY W'. BOWEN, been reset, one of the cams being ofgreater 1 MINNIE A. HUNTER.

